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Old 09-10-2021, 05:29 AM   #5
Starter986
1998 Boxster Silver/Red
 
Join Date: Sep 2017
Location: 92262
Posts: 3,012
Quote:
Originally Posted by elgyqc View Post
It was not me who did this, the cracks where evidently there when I bought the car three years ago. I hope no one is foolish enough to jack up the car using the engine sump... but some people suggest supporting the engine with a jack under the sump.

From the Pelican Parts site technical articles:
"Replacement of the mounts couldn't be easier... Gently place the floor jack under the engine sump, taking care to only apply enough pressure to relieve tension on the front mount... "

Note that this article does not even suggest using a block of wood between the jack and the sump.
My recollection entirely isn't clear... but when I replaced my water pump and motor nount I may have blocked the pan jacking up the engine an inch or two to clear a bolt. No harm done.

I wouldn't do it as a matter of routine practice.

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